controler les données d'un table binding
Bonjour,
je fait la modification d'un tableau de binding à ma base de données, en utilisant les pojoo hibernate voici le code de ma méthode.
Code :
Code:
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public String button1_action() throws RollbackException {
// TODO: Process the action. Return value is a navigation
// case name where null will return to the same page.
RowKey rowKey = tableRowGroup1.getRowKey();
String cod_serv = (String) serviceDataProvider.getValue("service.Code_serv",rowKey);
String nom_serv = (String) nom.getValue();
String lieu_serv = (String) lieu.getValue();
String fonction_serv = (String) fonction.getValue();
try {
serviceDataProvider.removeRow(rowKey);
serviceDataProvider.commitChanges();
} catch (Exception e) {
error("Cannot delete trip with row key " + rowKey + e);
}
Session session = HibernateUtil.getSessionFactory().openSession();
Transaction tx = null;
session.beginTransaction();
Service service = new Service();
service= (Service) session.get(Service.class,cod_serv);
service.setFonction(fonction_serv);
service.setLieu(lieu_serv);
service.setNom(nom_serv);
session.save(service);
session.beginTransaction().commit();
session.clear();
session.close();
return null;
} |
et voici l'exception qui me génère:
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Description: An unhandled exception occurred during the execution of the web application. Please review the following stack trace for more information regarding the error.
Exception Details: java.lang.IllegalArgumentException
id to load is required for loading
Possible Source of Error:
Class Name: org.hibernate.event.LoadEvent
File Name: LoadEvent.java
Method Name:
Line Number: 51
Source not available. Information regarding the location of the exception can be identified using the exception stack trace below.
Stack Trace:
org.hibernate.event.LoadEvent.(LoadEvent.java:51)
org.hibernate.event.LoadEvent.(LoadEvent.java:33)
org.hibernate.impl.SessionImpl.get(SessionImpl.java:812)
org.hibernate.impl.SessionImpl.get(SessionImpl.java:808)
prj22.Page1.button1_action(Page1.java:241)
sun.reflect.NativeMethodAccessorImpl.invoke0(NativeMethodAccessorImpl.java:-2)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
java.lang.reflect.Method.invoke(Method.java:597)
org.apache.el.parser.AstValue.invoke(AstValue.java:172)
org.apache.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:276)
org.apache.jasper.el.JspMethodExpression.invoke(JspMethodExpression.java:68)
javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:77)
com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:91)
com.sun.rave.web.ui.appbase.faces.ActionListenerImpl.processAction(ActionListenerImpl.java:91)
javax.faces.component.UICommand.broadcast(UICommand.java:383)
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